Axle box bearing



July 28, 1931. v c. P. vAucLAlN 1,816,801

AXLE BOX BEARING Filed April 24, 1929 Patented July 2s, 1931 1,816,801

-UNITED STATES PATENT OFFICE CHARLES PARRY VAUCLAIN, OF DREXEL HILL, PENNSYLVANIA AXLE BOX BEARING Application led April 24, 1929. Serial No. 357,750.

' The object of mv invention is to make an entirely free to shrink on either side of the axle box bearing in such manner that it can centre a?, as there are no obstructing ribs or be firmly secured to the axle box and yet Will projections which would interfere with the bey free to shrink circumterentially in the free shrinkage. The bearing, owing to the 5 pouring of the brass. This object I attain circumferential ribs, Will not permit the 0I) in the following manner, reference being had brass to become loose, maintaining a firm fit to the accompanying drawings, in which: until itis entirely Worn away.

Fig. l is a perspective view ot my improved I claim: t t axle box bearing; The combination in an axle .box having an Fig. 2 is a sectional view on the line 2-2, opening for an axle and having a series ot oo Fig, 3; and undercut circumferential ribs, and having a Fig/13 is a longitudinal sectional View of the longitudinal undercut rib. at the centre, said 3X1@ box with the bearing in position, box having an undercut rib at one end and a My invention, in the present instance. is lb at the other end; and a bearing cast in shown in connection with the box for adria the box and hold in the Central position by es 'ing 3X1@ of a looomotivo the central. rib but free to shrink at either side l is the box, Which may be of any suitable Of the Contre o the box. type, and 2 is the bearing which is made of CHARLES PARRY VAUCLAIN brass, bronze or other suitable material, and is o shaped to lit the box as shown in Figs. 2 and 70 '3. In the present instance the bearing has ya flange `3 forming a Wear plate for the Wheel Whichis mounted on the axle. On the interior of the box is a series of '25 undercut ribs 4, extending transversely from A 75 each side of the centre of the box, and in the bearing is a series of grooves 5 which are formed by a series of undercut ribs 6. The grooves 5 conform to the undercut ribs 4 on the box, and in the present instance I provide go a single longitudinal rib 7 which may be undercut as shown and Which extends into the longitudinal groove 8 in the bearing. This rib tends to hold the bearing in a central position, but the bearing is free to shrink cir- S5 cumferentially to the centre of the box.

v It will be understood that the bearing.4 which is made of brass, bronze or other siiit able material, is cast in the box, the form 40 yof the bearing being clearly shown in the per- 9^- spective view Fig. l after it has been cast in the box. v

The bearing can be Worn until it is comparatively close to the ribs 4 of the box, when the remaining portion of the bearing can be 95 readily removed from the box in any manner desired and another bearing cast in its place. By making the bearing in the manner shown, it is not liable/to crack or break due to unevenness in shrinking, vas the bearing is 100 

